I reverted Steam to the last version that works on 10.6.8 (from my backup drive), then made sure Steam app would not update the next time I ran it. It works perfectly. As for everybody saying 'just update the OS', 10.6.8 is the last version that still runs classic apps. Mac OS X 10.6.8 Supplemental Update is recommended for all users running Mac OS X Snow Leopard 10.6.8 and resolves issues with: Transferring personal data, settings, and compatible applications from a Mac running Mac OS X Snow Leopard to a new Mac running Mac OS X Lion; Certain network printers that pause print jobs immediately and fail to complete.

macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. Get even more transparency around your privacy.

Chances are, your Mac can run macOS Big Sur

The following models are supported:

• MacBook (2015 or later)
• MacBook Air (2013 or later)
• MacBook Pro (Late 2013 or later)
• Mac mini (2014 or later)
• iMac (2014 or later)
• iMac Pro (2017 or later)
• Mac Pro (2013 or later)

To see which model you have, click the Apple icon in your menu bar and choose About This Mac.

Make sure you’re ready to upgrade.

Before you upgrade, we recommend that you back up your Mac. If your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Big Sur. You’ll need the following:

• OS X 10.9 or later
• 4GB of memory
• 35.5GB available storage on macOS Sierra or later*
• Some features require an Apple ID; terms apply.
• Some features require a compatible internet service provider; fees may apply.

Upgrading is free and easy

Upgrading from macOS Catalina 10.15 or Mojave 10.14?

Go to Software Update in System Preferences to find macOS Big Sur. Click Upgrade Now and follow the onscreen instructions.

Upgrading from an older version of macOS?

If you’re running any release from macOS 10.13 to 10.9, you can upgrade to macOS Big Sur from the App Store. If you’re running Mountain Lion 10.8, you will need to upgrade to El Capitan 10.11 first.

If you don’t have broadband access, you can upgrade your Mac at any Apple Store.

• OS X 10.9 or later
• 4GB of memory
• 35.5GB available storage on macOS Sierra or later*

• Some features require an Apple ID; terms apply.
• Some features require a compatible internet service provider; fees may apply.

For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Big Sur:

• MacBook (2015 or later)
• MacBook Air (2013 or later)
• MacBook Pro (Late 2013 or later)
• Mac mini (2014 or later)

• iMac (2014 or later)
• iMac Pro (2017 or later)
• Mac Pro (2013 or later)

Siri

Requires a broadband internet connection and microphone (built-in or external).

Hey Siri

Supported by the following Mac models:

• MacBook Pro (2018 or later)
• MacBook Air (2018 or later)
• iMac Pro (2017 or later)

Dictation, Voice Control, and Voice Memos

Requires a microphone (built-in or external).

Spotlight Suggestions

Requires a broadband internet connection.

Gestures

Requires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.

Force Touch gestures require a Force Touch trackpad.

VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.

Photo Booth

Requires a FaceTime or iSight camera (built-in or external) or USB video class (UVC) camera.

FaceTime

Audio calls require a microphone (built-in or external) and broadband internet connection.

Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.

Apple TV

High dynamic range (HDR) video playback is supported by the following Mac models:

• MacBook Pro (2018 or later)
• iMac Pro (2017 or later)
• Mac Pro (2019) with Pro Display XDR

Dolby Atmos soundtrack playback is supported by the following Mac models:

• MacBook Air (2018 or later)
• MacBook Pro (2018 or later)

Sidecar

Supported by the following Mac models:

• MacBook (2016 or later)
• MacBook Air (2018 or later)
• MacBook Pro (2016 or later)
• Mac mini (2018 or later)
• iMac (late 2015 or later)
• iMac Pro (2017 or later)
• Mac Pro (2019)

Supported by all iPad models with Apple Pencil support:

• 12.9-inch iPad Pro
• 11-inch iPad Pro
• 10.5-inch iPad Pro
• 9.7-inch iPad Pro
• iPad (6th generation or later)
• iPad mini (5th generation)
• iPad Air (3rd and 4th generation)

Continuity Camera

Requires an iPhone or iPad that supports iOS 12 or later.

Continuity Sketch and Continuity Markup

Requires an iPhone with iOS 13 or later or an iPad with iPadOS 13 or later.

Handoff

Requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 8 or later.

Instant Hotspot

Requires an iPhone or iPad with cellular connectivity, a Lightning connector or USB-C, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.

Universal Clipboard

Requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 10 or later.

Auto Unlock

Requires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.

Approve with Apple Watch

Requires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13 or later.

Apple Pay on the Web

Requires a MacBook Pro or MacBook Air with Touch ID, an iPhone 6 or later with iOS 10 or later, or an Apple Watch with watchOS 3 or later.

Phone Calling

Requires an iPhone with iOS 8 or later and an activated carrier plan.

SMS

Requires an iPhone with iOS 8.1 or later and an activated carrier plan.

Home

Requires an iPhone with iOS 12 or later and a configured Home app.

AirDrop

AirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 7 or later.

AirPlay

AirPlay Mirroring requires an Apple TV (2nd generation or later).

AirPlay for web video requires an Apple TV (2nd generation or later).

Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.

Time Machine

Requires an external storage device (sold separately).

Maps electric vehicle routing

Requires an iPhone with iOS 14 and a compatible electric vehicle.

Maps license plate restrictions

Requires an iPhone running iOS 14 or an iPad running iPadOS 14.

Boot Camp

Allows Boot Camp installations of Windows 10 on supported Mac models.

Exchange Support

Requires Microsoft Office 365, Exchange 2016, Exchange 2013, or Exchange Server 2010. Installing the latest Service Packs is recommended.

Windows Migration

Supports OS X 10.7 or later and Windows 7 or later.

App Store

Available only to persons age 13 or older in the U.S. and many other countries and regions.

Photos

The improved Retouch tool is supported on the following Mac models:

• MacBook Pro (15-inch and 16-inch models) introduced in 2016 or later
• iMac (Retina 5K models) introduced in 2014 or later
• iMac (Retina 4K models) introduced in 2017 or later
• iMac Pro (2017 or later)
• Mac Pro introduced in 2013 or later

• Apple Books
• Apple News
• App Store
• Automator
• Calculator
• Calendar
• Chess
• Contacts
• Dictionary
• DVD Player
• FaceTime
• Find My
• Font Book
• Home
• Image Capture
• Launchpad
• Mail
• Maps

• Messages
• Mission Control
• Music
• Notes
• Photo Booth
• Photos
• Podcasts
• Preview
• QuickTime Player
• Reminders
• Safari
• Siri
• Stickies
• Stocks
• System Preferences
• TextEdit
• Time Machine
• TV
• Voice Memos

• Activity Monitor
• AirPort Utility
• Audio MIDI Setup
• Bluetooth File Exchange
• Boot Camp Assistant
• ColorSync Utility
• Console
• Digital Color Meter
• Disk Utility

• Grapher
• Keychain Access
• Migration Assistant
• Screenshot
• Screen Time
• Script Editor
• Sidecar
• System Information
• Terminal
• VoiceOver Utility

• Arabic
• Catalan
• Croatian
• Simplified Chinese
• Traditional Chinese
• Traditional Chinese (Hong Kong)
• Czech
• Danish
• Dutch
• English (Australia)
• English (UK)
• English (U.S.)
• Finnish
• French
• French (Canada)
• German
• Greek
• Hebrew
• Hindi
• Hungarian

• Indonesian
• Italian
• Japanese
• Korean
• Malay
• Norwegian
• Polish
• Brazilian Portuguese
• Portuguese
• Romanian
• Russian
• Slovak
• Spanish
• Spanish (Latin America)
• Swedish
• Thai
• Turkish
• Ukrainian
• Vietnamese

Tips on 10.4 Tiger, 10.5 Leopard, 10.6 Snow Leopard, 10.7 Lion, 10.8 Mountain Lion,10.9 Mavericks, 10.10 Yosemite,10.11 El Capitan ,10.12 Sierra-11.0 Big Sur.

These tips all refer to the client version. If you are using Mac OS X server, please check: Server forums

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for more posts on Mac OS X Server.

Steam For Mac Os X 10.6.8 Download10 6 8 Download

10.9 Mavericks, 10.10 Yosemite, unless your Mac came with either/or as well as if you purchased it previously from the Mac App Store. 10.6.8 users can download a version of 10.11 if they don't have 10.12 compatibility.

10.12 is available again, and the above tip on 10.12-10.14 covers how to get it.

Some people who no longer need it, may be able to transfer their license to someone who does. Snow Leopard is available for pre-March 15, 2010 Macs that are compatible with it. Apple minimum hardware requirements are the same for 10.8, 10.9, 10.10. and 10.11. 10.13 high Sierra is available: High Sierra upgrading tip

Apple's original Mavericks system requirements are archived here:

Before updating to 10.7 or later from 10.6.8 or earlier, please read this tip as a lot of software that is compatible with 10.6.8 and earlier is not with 10.7 and later, making the 'free' update to 10.9 and 10.10 not so free:

Some prebundled 10.9 Macs can be upgraded to 10.12 then to Catalina.

Yosemite was released October 16, 2014 and has the same minimum system requirements and Mavericks. Only download or install Yosemite compatible software said to be Yosemite compatible as of reports after that date.

Note: 10.9.2 fixes a critical security flawin earlier versions of 10.9. Airplay appears to be problematic with 10.9.2. The reason behind

it is not known. If you have a pre-10.9 machine, ask on the forum how to safely downgrade to a previous version of 10.8.5 or earlier which is safer than 10.9 or 10.9.1 if Airplay is critical. It is not yet known if 10.9.3 or 10.9.4 fixes the Airplay issue. This issue will be updated on: https://discussions.apple.com/docs/DOC-6831

A new solution for Airplay is on the link, as of April 6, 2014, regarding Bluetooth conflict.

A resolution has been found for the Fast User Switching desktop wallpaper and dock redraw issue under Mavericks:

10.9.2-10.9.4 Fast User Switching desktop issue

Mavericks has the same hardware requirements from Apple as Mountain Lion, Mac OS X 10.8, which I outline here

See this tip to find your Mac model's age:

Like always, you must backup your data before installation as I describe here

And since there are more programs, which are listed on http://www.apple.com/osx/specs/

there is a chance some software that works in Mountain Lion may not work in Mavericks.

https://itunes.apple.com/us/app/os-x-mavericks/was the direct download link from the U.S. You will want to contact if you have interface or compatibility issues that need to be addressed by Yosemite before downloading Yosemite first to see if an exception can be made to get Mavericks instead:

They should be able to ensure it is available in the App Store, which is available from Dock as shown in the image below:

Non-iCloud based phone and tablet synchronization software has not yet caught up with Mavericks from

If you depend on Blackberry or iSync based services outside of iCloud, hold off on updating to Mavericks until the situation is remedied, or synchronize with Windows on your Mac:

Or use an older operating system if your Mac is older than Mavericks on a separate partition or boot drive.

Caution: the Apple Launchpad App if edited in prior operating systems by third party applications may lose its icons.

Some third party USB 3 cards are not compatible with the installer for Mavericks, and may make external drives disappear,

and some external drives might disappear as well, if their firmware is not updated and connected while the installer does

its installation. Dismount, and disconnect all external drives prior to installation.

Western Digital hard drives that use software from Western Digital may lose data when upgrading to Mavericks. This tip has been

written to discuss the issue.

Third party devices that require sync services such as Markspace's based software will likely not sync until said software has been updated for 10.9.

The Launchpad in the Dock will show you the download file size progress for downloading the App from the App Store if you hover your mouse pointer over it.

Note, this progress is only for the download. The progress for the actual installation is not always apparently precise. It may tell you it is 1 minute from completing one portion of the install, but in reality be over an hour. Once downloaded, it took me two hours to install the operating system on an iMac 11,1 that already had 10.8.5 loaded.

10.9 when it is done loading the file from the App Store, will put a 5.31GB file called 'Install OS X Mavericks.app' (without quotes) in your hard drive -> Applications folder.

5.31 GB works out to be approximately 45 billion bits, which at 7 Mbps would take 6400 seconds or 106 minutes, or 1 hour 46 minutes.

If you are running a program in the foreground when the download takes place, it will put the installer screen behind your other windows. Quit all open applications before running the actual installer.

It became available October 22nd, 2013. Macs that are newly released by Apple on the same date or later may not be able to run Mountain Lion or earlier, but should still be able to run earlier versions of Linux and Windows in virtualization the same as Mountain Lion.

Most issues can be resolved if you clone backed up your previous operating system before installinf Mavericks, unless there was some underlying issue not diagnosed before the upgrade.

Canon has made some new printer drivers: http://support.apple.com/kb/dl899 Cintiq 13hd software download.

So has Epson: http://www.epson.com/cgi-bin/Store/support/SupportMavericks.jsp

iTunes 10.6.3 was tested by me on Mavericks, and the purchased music would not play, nor authenticate. It is the last version of iTunes I'm aware has coverflow.

Like there is for 10.7 and 10.8, http://roaringapps.com/apps?platform=osx

offers a third party table for software compatibility. Ignore the El Capitan compatibility, as that has not been released yet.

However, once again RoaringApps has taken it upon itself to show compatibility of a not finalized operating system upgrade. In this case of Yosemite.

As Apple could change features before final release, take such compatibility reports for Yosemite with a grain of salt, and ensure that once it is released that the reports are dated after Yosemite's final release.

iTunes/Mac OS/iOS compatibility discusses solutions for people still running 10.9.5 who wish to downgrade to iOS 10 and link their iOS device to their Mac. With iOS 12 already released it pushes the minimum Mac OS X system requirements to 10.11.6 for many.

Apple has a listing of printer and scanner drivers for 10.6 through 10.9:

Any not listed, will have to come from the vendor directly.

Apple provides updates to the printers on that link through these links by vendor:

HP, Ricoh,Canon, Epson, Brother,Lexmark, Samsung, and Fuji/Xerox

Third party scanner support exists from:

Steam For Mac 10.6.8

http://www.ellert.se/twain-sane/ supports these scanners: http://www.sane-project.org/sane-supported-devices.html

Steam For Mac Os X 10.6.8 Downloadnload

Tip for using some HP scanners in 10.9, along with the scanner driver mentioned on HP's website.

RAW photo support is different from 10.8 and 10.7. Here's the 10.9 RAW photo support:

Steam For Mac Os X 10.6.8 Downloadd

10.9.3 has introduced issues with Fast User Switching according to this thread, which have not been resolved with the 10.9.4 delta update, it is unknown if the combo update will resolve it or not (and that's the one listed below the link to the thread):

Re: Re: 10.9.3 = major problem with fast user switching

Steam For Mac Os 10.6.8

Updates include: (10.9.1 not linked due to security risk) 10.9.2, 10.9.3, 10.9.4, and 10.9.5

Steam For Mac Os X 10.6.8

10.14 Mojave is available to all Macs that shipped new with 10.9 except the MacBook that had no Air or Pro moniker.

Steam For Mac Os X 10.6.8 Downloadx 10 6 8 Download

That model had to have shipped with 10.10 Yosemite to be able to upgrade to 10.14. And upgrading it to 10.12 first was necessary to get it to Mojave.